Five investment alternatives have the following returns and standard deviations of returns. Standard Deviation Alternatives Expected Value S 1,660 3,920 3,920 5,110 10,600 $1,120 1,510 1,350 3,210 1,020 Calculate the coefficient of variation and rank the five alternatives from lowest risk to the highest risk by using the coefficient of variation. (Round your answers to 3 decimal places.) Coefficient of Variation Alternatives Rank